The Bluelab pH Pen is a digital pH and temperature meter designed to assist in monitoring the pH levels of plants in a hydroponics setup. This product, while tested and confirmed to be in working order, does not come with its original box packaging. Ideal for gardeners and patio enthusiasts looking to maintain optimal conditions for their plants, this Bluelab pH Pen provides accurate readings to help ensure healthy growth and vibrant blooms.
eBay